If a pound of tea has twice as much caffeine as
a pound of coffee, and if a pound of tea is enough
to make 160 cups of tea, and if a pound of coffee
is enough to make 40 cups, and if a 12-ounce can
of cola has about one-fourth the caffeine as a cup
of coffee,

How much caffeine does one cup of tea have compared
to one cup of coffee?

How much caffeine does one cup of tea have compared
to a 12-ounce can of cola?